I've seen a drive manual that said it has to have an 80 wire cable. Best
thing to do is download the drive's manual from the manufacturer's web site.
It will probably be a big .pdf file with installation and specs at the top
and stuff for engineers after that.
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New motherboards are quite cheap, and PCI ATA66 and ATA100 IDE controller
cards are even cheaper. There are some known issues with some controllers
and IBM drives, so if you do upgrade make sure you upgrade to the latest
motherboard bios, or latest controller card bios when you make your
purchase. Personally I would get the newer 80 wire cables, as it won't hurt.
More convenient round IDE cables are now readily available in the UK, are
rated for use up to ATA100, and are cheap. Around £5.50 each from
http://www.scan.co.uk for example. Some old IDE ribbon cables are of
terrible quality. When/if you decide to upgrade you will then be all set.
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